SFI SYSTEM (w/ Secondary Air Injection System), Diagnostic DTC:P1613

DTC Code DTC Name
P1613 Secondary Air Injection Driver Malfunction

DESCRIPTION

Refer to DTC P0412 Click here.

DTC No. DTC Detection Condition Trouble Area
P1613

  • Either of following condition (a) or (b) is met:


    1. All of the following conditions are met (1 trip detection logic):


      • While either of air pump or air switching valve does not operate

      • Diagnostic signal from Air Injection Control Driver (AID) 80 %

      • Battery voltage 8 V or more

    2. All of the following conditions are met (1 trip detection logic):


      • Battery voltage 8 V or more

      • Diagnostic signal from AID abnormal (duty signal excluding 0, 20, 40, 80, 100 %)

  • Air injection control driver

  • Open in air injection control driver ground circuit
P1613

  • All of following conditions are met (1 trip detection logic):


    1. While Air Injection System operating (Air Switching Valve (ASV) ON and air pump ON)

    2. Diagnostic signal from Air Injection Control Driver (AID) 0 %

    3. Battery voltage 8 V or more

  • Short in diagnostic information signal circuit (AID - ECM)

  • Open or short in air pump and air switching valve command signal circuit (AID - ECM)

  • Open in AID ground circuit

  • Air injection control driver

  • ECM
P1613

  • All of following conditions are met (1 trip detection logic):


    1. Battery voltage 8 V or more

    2. Diagnostic signal from Air Injection Control Driver (AID) 100 %

  • Open or short in AID power source circuit

  • Open in diagnostic information signal circuit (AID - ECM)

  • Air injection control driver

  • ECM

MONITOR DESCRIPTION

After the cold engine starts, the ECM transmits command signals to the Air Injection Control Driver (AID) to drive the air pump and Air Switching Valve (ASV). The AID detects an open or short in the air pump and ASV circuit according to the AID terminal voltage and sends a signal as the diagnostic information to the ECM.

If the Secondary Air Injection (AI) system circuit or the AID itself has a malfunction, the AID sends a malfunction signal (duty signal) as a diagnostic signal to the ECM (when the system is normal, a system normal signal is sent). The ECM sets the DTC based on the diagnostic information from the AID.

The ECM sets the DTC based on the diagnostic information from the AID.


WIRING DIAGRAM

Refer to DTC P0412 Click here.

INSPECTION PROCEDURE

Tech Tips

The diagnostic information output from the Air Injection Control Driver (AID) can be confirmed by connecting an oscilloscope to the diagnostic information terminal of the AID.


  1. A01BBIVE06

    Connect the intelligent tester to the DLC3.

  2. Connect an oscilloscope probe to the AIDI terminal of the ECM.

  3. Turn the tester ON.

  4. Enter the following menus: Powertrain / Engine and ECT / Data List / Secondary Air Control VSV and 2nd Air System Status.

  5. Monitor the voltage output of the AID (duty ratio signal) when the AI system operates and does not operate.

    Tech Tips

    Since the AI system pumps secondary air to the exhaust port of the cylinder head for a short time after a cold engine start, if the AI system does not operate, cool the engine down until the engine coolant temperature and the ambient air temperature are almost the same.

    Oscilloscope range:
    Items Contents
    Terminals CH1: AIDI (D3-20) - E1 (D1-3)
    Equipment Settings 5 V/Division, 20 to 40 ms/Division
    Conditions Idling
    A01BC2DE02
    A01BGJ4E02

Tech Tips

Read freeze frame data using the intelligent tester. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whether the air-fuel ratio was lean or rich, as well as other data recorded at the time of a malfunction.

PROCEDURE


  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P1613)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to the ON position and turn the tester ON.

    3. Select the following menu items: Powertrain / Engine and ECT / DTC.

    4. Read DTCs.

      Result
      Display (DTC Output) Proceed To
      P0163 A
      P0163 and other DTCs B

      Tech Tips

      If any DTCs other than P1613 are output, troubleshoot those DTCs first.


    B

    GO TO DTC CHART

    A

  2. CHECK POWER SOURCE OF AIR INJECTION CONTROL DRIVER


    1. A01BGQIE04

      Disconnect the B12 Air Injection Control Driver (AID) connector.

    2. Turn the ignition switch to the ON position.

    3. Measure the voltage according to the value(s) in the table below.

      Voltage
      Tester Connection Specified Condition
      +B (B12-5) - Body ground 9 to 14 V (near battery voltage)

    4. Reconnect the AID connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (AIR INJECTION CONTROL DRIVER - BODY GROUND)


    1. A01BGQIE05

      Disconnect the B12 AID connector.

    2. Measure the resistance according to the value(s) in the table below.

      Resistance
      Tester Connection Specified Condition
      E (B12-1) - Body ground Below 1 Ω

    3. Reconnect the AID connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (AIR INJECTION CONTROL DRIVER - ECM)


    1. A01BFLRE01

      Disconnect the B12 AID connector.

    2. Disconnect the D1 and D3 ECM connectors.

    3. Measure the resistance according to the value(s) in the table below.

      Resistance
      Tester Connection Specified Condition
      DI (B12-2) - AIDI (D3-20) Below 1 Ω
      SIP (B12-4) - AIRP (D1-11) Below 1 Ω
      SIV (B12-3) - AIRV (D1-24) Below 1 Ω
      DI (B12-2) or AIDI (D3-20) - Body ground 10 kΩ or higher
      SIP (B12-4) or AIRP (D1-11) - Body ground 10 kΩ or higher
      SIV (B12-3) or AIRV (D1-24) - Body ground 10 kΩ or higher

    4. Connect the AID connector.

    5. Connect the ECM connectors.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT AIR INJECTION CONTROL DRIVER (DI TERMINAL VOLTAGE)


    1. A01BGQIE06

      Disconnect the B12 AID connector.

    2. Turn the ignition switch to the ON position.

    3. Measure the voltage according to the value(s) in the table below.

      Voltage
      Tester Connection Specified Condition
      DI (B12-2) - E (B12-1) 9 to 14 V (near battery voltage)

    4. Reconnect the AID connector.


    NG

    CHECK HARNESS AND CONNECTOR (ECM - AIR INJECTION CONTROL DRIVER) Click here

    OK

    REPLACE AIR INJECTION CONTROL DRIVER

  6. CHECK HARNESS AND CONNECTOR (ECM - AIR INJECTION CONTROL DRIVER)


    1. A01BCWKE01

      Disconnect the D3 ECM connector.

    2. Disconnect the B12 AID connector.

    3. Measure the resistance according to the value(s) in the table below.

      Resistance (check for open)
      Tester Connection Specified Condition
      DI (B12-2) - AIDI (D3-20) Below 1 Ω
      Resistance (check for short)
      Tester Connection Specified Condition

      DI (B12-2) or AIDI (D3-20) -

      +B (B12-5)

      		 10 kΩ or higher

    4. Reconnect the ECM connector.

    5. Reconnect the AID connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE ECM